// Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
// This source file is part of the Cangjie project, licensed under Apache-2.0
// with Runtime Library Exception.
//
// See https://cangjie-lang.cn/pages/LICENSE for license information.

public class Main {

    public static void main(String[] args) {
        M a = new A();
        a.goo();

        M b = new A();
        b.goo();
    }
}